Before shampooing, apply to dry scalp, using the roll-on applicator, to the affected areas, parting by parting.
Gently massage the entire scalp in circular motions for one minute.
Leave on for at least 15 minutes before using the shampoo or care product adapted to the nature of the scalp.

Recommended as a treatment twice a year at the change of season, after pregnancy, or in case of hair loss